Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
la communication » _ communication, mass communication, oral communication
costs hydropower » note hydropower, ashta hydropower, china hydropower
development case » development bank, development a, development aid
technologies a » technologies _
information et » information act, information _, information need
a information » _ information, land information, award information

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information et de la communication costs hydropower development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information et de la communication costs hydropower development case afrique.*.